static const uint8_t start_code[] = { 0x00, 0x00, 0x01 };
-static int find_start_code(const uint8_t *buf, int buf_size,
- int buf_index, int next_avc)
-{
- // start code prefix search
- for (; buf_index + 3 < next_avc; buf_index++)
- // This should always succeed in the first iteration.
- if (buf[buf_index] == 0 &&
- buf[buf_index + 1] == 0 &&
- buf[buf_index + 2] == 1)
- break;
-
- buf_index += 3;
-
- if (buf_index >= buf_size)
- return buf_size;
-
- return buf_index;
-}
-
-static int get_avc_nalsize(H264Context *h, const uint8_t *buf,
- int buf_size, int *buf_index)
-{
- int i, nalsize = 0;
-
- if (*buf_index >= buf_size - h->nal_length_size)
- return -1;
-
- for (i = 0; i < h->nal_length_size; i++)
- nalsize = ((unsigned)nalsize << 8) | buf[(*buf_index)++];
- if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
- av_log(h->avctx, AV_LOG_ERROR,
- "AVC: nal size %d\n", nalsize);
- return -1;
- }
- return nalsize;
-}
-
static int get_bit_length(H264Context *h, const uint8_t *buf,
const uint8_t *ptr, int dst_length,
int i, int next_avc)